bluetooth-beacon-mqtt-exporter

bluetooth-beacon-mqtt-exporter

This a service running on node v8 publishing Bluetooth BLE beacons advertisements on a mqtt topic.

The original intent is to make available to node-RED temperature readings from Estimote beacons ; but this will work with any beacon advertisement supported by the node-beacon-scanner module.

Dependencies

sudo apt-get install bluetooth

and the bluetooth-beacon-mqtt-exporter command must be run as root.

Install

npm install bluetooth-beacon-mqtt-exporter

Run

sudo bluetooth-beacon-mqtt-exporter

Configuration

Configuration is provided throught environment variables:

MQTT_BROKER=mqtt://127.0.0.1   # url of a mqtt broker. For accepted protocols, refer to https://github.com/mqttjs/MQTT.js#connect
MQTT_TOPIC=beacon              # mqtt topic beacon' advertisements will be published to
MQTT_RECONNECT_DELAY=5000      # in case of a mqtt disconnection, will wait this amount of milliseconds before retrying to connect
LOG_PACKETS=no                 # yes/on/true/1 to log every advertisement package to the console

Docker image for Raspberry pi

A Docker image for arm is published on the Docker Hub: tomdesinto/bluetooth-beacon-mqtt-exporter

sudo apt-get install bluetooth
sudo service bluetooth start
docker run -d \
    --net=host \
    --privileged \
    -e MQTT_BROKER=mqtt://127.0.0.1 \
    -e MQTT_TOPIC=beacon \
    -e LOG_PACKETS=yes \
    tomdesinto/bluetooth-beacon-mqtt-exporter:rpi

docker-compose.yml

version: "3"

services:
  beaconmqtt:
    image: tomdesinto/bluetooth-beacon-mqtt-exporter:rpi
    network_mode: host
    privileged: true
    environment:
      MQTT_BROKER: mqtt://127.0.0.1
      MQTT_TOPIC: beacon
      MQTT_RECONNECT_DELAY: 5000
      LOG_PACKETS: "yes"

Hack

Install dependencies

sudo apt-get install bluetooth bluez libbluetooth-dev libudev-dev

Run the services

sudo service bluetooth start
sudo MQTT_BROKER=mqtt://127.0.0.1 MQTT_TOPIC=beacon npm run start